package com.xsq.newmall01.Service.MerchantUserService;

import com.xsq.newmall01.Dao.MerchantUser;

public interface MUserService {
    // 验证商家用户是否存在（登录逻辑）
    MerchantUser checkMerchantUserExists(MerchantUser merchantUser);

    // 更新商家用户信息
    void updateMerchantUser(MerchantUser merchantUser);

    MerchantUser getMerchantById(int id);
}
